the above is info is on a target without body armour using. It doesn't matter if the round is supersonic or subsonic, suppressed or silenced, Su or Sub is only for the depth of tracking or penetration distance on a target, it's only what stability the round enters the target at. Subsonic flight the round is tumbling on all of it's axis usually, and 1 of 3 things can happen in this zone this is the terminal ballistics snipers call the 'door nock'Ī stable entry is where the tip of the round hits the target on a neutral axis i.e dead on, tip to skin is a good time to be hit either in supersonic or subsonic (supersonic and subsonic correlate to the depth of tracking the round has on the target i.e the distance it enters the target and what direction it heads or 'tracks')Īn unstable entry is where the round hits you on a 100% axis, i.e its going to hit you broad side and slap you, this causes a huge temporal cavity, and is usually a small football size (u.k football not american handegg) grab a football and imagine having it in your stomach, yeh ouch. 338 can be between 15-40mtrs dependant on the muzzle velocity of the weapon fired from) you will have a Mid temporal cavity, again its medium sized. getting hit in the transition period (for a. The round it's self is confused and will tumble and roll Untill it finds its own way of cutting through air the easiest way it sees fit. 338 again, once its hit the transition zone of flight, the are where the round goes from supersonic to subsonic. When you see ballistic gel hit with a supersonic stable round youll see a small cavity open and close, this is temporal, it closes.Ī subsonic unstable round, using the. 338 lapua magnum round hits you at a distance of 900mtrs it will cause a minimal temporal cavity, this is the the air, dirt and clothing sucked in behind the round for a supersonic round travelling stable its quite small. Suppressors you can still use the same round weather the suppressor is attached or not.Īs for velocities and the ballistics at the terminal end of the scale (upon entry to the target) it's not necessarily the velocity behind the round but more the are of transition the round is in or passed. Suppressors and silencers can be dramatically different on various weapons, Suppressors are predominantly used to suppress the gas and flash, yes suppressors do decrease sound initially but thats not what they're designed for, silencers are as they say to silence, to use a silencer effectively you need to use subsonic rounds, this is simply a bullet with a little less gunpowder.
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